package file;

import java.io.File;

public class ListFilesDemo {
    public static void main(String[] args) {
        File dir=new File(".");
        if (dir.isDirectory()){
            File[]subs=dir.listFiles();
            System.out.println(subs.length);
            for (File sub:subs){
                System.out.println(sub.getName());
            }
        }
    }
}
